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Niantic (CT) Weather and Climate: A Comprehensive Guide

The climate in Niantic is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Niantic, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 27°C in July to a chilly 4°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Niantic experiences significant rain/snowfall throughout the year, averaging 1267 mm of precipitation annually. Precipitation levels in Niantic remain relatively steady throughout the year. December has the most rain, with 130 mm over 13 days. In November, this drops slightly to 93 mm, making the city's climate fairly predictable.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Niantic serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.8 hours of sunshine daily, and embrace the darker days in November, offering only 4.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Hartford, the United States of America (63 KM, 39 Miles).

Daily hours of sunshine

Data from: Hartford, the United States of America (63 KM, 39 Miles).

Forecast for Niantic (CT)

Sun   Dec 22
-4°C | -11°C
NW 6 m/s
clear and no rain

clear and no rain

Mon   Dec 23
-2°C | -12°C
S 3 m/s
clear and no rain

clear and no rain

Tue   Dec 24
4°C | -4°C
W 4 m/s
1.6 mm
partly cloudy and snow

partly cloudy and snow

The best time of year to visit Niantic in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Niantic?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Niantic?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Niantic?
    December tops the wettest month list with 130 mm of rainfall.
  • Which is the driest month in Niantic?
    November is the driest month with 93 mm of precipitation.
  • Which is the sunniest month in Niantic?
    July is the sunniest month with an average of 293 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.